Home / 94,045.78-129,782.82-51,605.02

Finding the Fourth Proportional to 94,045.78, 129,782.82 and 51,605.02

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Solution

The fourth proportional to 94,045.78, 129,782.82 and 51,605.02 is: 71,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,045.78 : 129,782.82 = 51,605.02 : x
  2. Step 2: Convert to fraction form
    94,045.78/129,782.82 = 51,605.02/x
  3. Step 3: Cross multiply
    94,045.78x = 129,782.82 × 51,605.02
  4. Step 4: Simplify right side
    94,045.78x = 6,697,445,021.76
  5. Step 5: Solve for x
    x = 6,697,445,021.76/94,045.78
  6. Step 6: Final answer
    x = 71,214.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.